Deal verdict
The Emma Original Classic Mattress is the better deal today.
It is at a genuine low, while the Sealy Alford Advantage Mattress has been cheaper. The Sealy Alford Advantage Mattress costs £187.75 less today.
Emma
Good time to buy
£501.75 Double
£501.75 is a genuine low. It's been this cheap for only 5% of the 37 days we've tracked.
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Mattress Online
Worth waiting
£314 Double
It's been cheaper. It was £294 on 12 Nov 2026. It's been £314 or less for 47% of the 121 days we've tracked.
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| Emma Original Classic Mattress | Sealy Alford Advantage Mattress | |
|---|---|---|
| Layers | 3 | Not stated |
| Warranty | 10 years | 5 years |
| Firmness | Not stated | Firm |
| Sizes | Single, Small Double, Double, King, EU Double, Queen, Super King | Double, Single, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.